#3366a8

Color #3366a8

A moderately saturated medium blue.

Closest named color Steel Blue #4682b4 · ΔE 15.81 Nearest Tailwind class sky-700 #0069a8 · ΔE 4.7

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#3366a8

RGB

rgb(51, 102, 168)

HSL

hsl(213.8, 53.4%, 42.9%)

HSV / HSB

hsv(213.8, 69.6%, 65.9%)

CMYK

cmyk(69.6%, 39.3%, 0%, 34.1%)

LAB

lab(42.81, 5.31, -40.46)

LCH

lch(42.81, 40.81, 277.48)

OKLCH

oklch(50.8%, 0.1188, 255.87)

HWB

hwb(213.8, 20%, 34.1%)

Harmony colors

Complementary

#a87533

Analogous

#33a0a8

#3366a8

#3a33a8

Triadic

#3366a8

#a83366

#66a833

Split-complementary

#3366a8

#a83a33

#a0a833

Tetradic

#3366a8

#7533a8

#a87533

#66a833

Square

#3366a8

#a833a0

#a87533

#33a83a

Shades

Color #3366a8 mixed toward black.

#2a558c

#224470

#193354

#112238

#08111c

Tints

Color #3366a8 mixed toward white.

#457dc6

#6a97d2

#8fb1dd

#b5cbe8

#dae5f4

Tones

Color #3366a8 mixed toward gray.

#3d679e

#466894

#506a8b

#5a6b81

#646c77

Accessibility

Aa White text on this color

5.82:1

Aa Black text on this color

3.61:1

White text reads better on this background (5.82:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#4e4f9b · ΔE 11.6

Deuteranopia

#4b4798 · ΔE 13.7

Tritanopia

#37908e · ΔE 27.7

Achromatopsia

#656565 · ΔE 21.3

Left half is the original, right half is the simulated appearance. See all 8 vision types →

Code

CSS

background-color: #3366a8;

Tailwind (arbitrary value)

bg-[#3366a8]

Related colors

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Cornflower Blue #6495ed

Alice Blue #f0f8ff

Frequently asked questions

#3366a8 (#3366a8) is rgb(51, 102, 168) in RGB.

No, #3366a8 is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

Related tools

Colors

HEX to RGB Converter

Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

Try it → Accessibility

Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

Try it → Generators

Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

Try it →

Build something with this color

Generate a full palette from #3366a8, or check how it holds up for accessibility.

Generate a palette → Check contrast